common mail sender
parent
373275063a
commit
4c7f4ca4c7
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package eu.dnetlib.common.exceptions;
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public class DnetException extends Exception {
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private static final long serialVersionUID = 1318223089824261627L;
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public DnetException(final String message, final Throwable cause) {
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super(message, cause);
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}
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public DnetException(final String message) {
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super(message);
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}
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}
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package eu.dnetlib.common.utils.mail;
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import java.util.Properties;
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import javax.mail.Authenticator;
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import javax.mail.PasswordAuthentication;
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import javax.mail.Session;
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import org.apache.commons.lang3.StringUtils;
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import eu.dnetlib.common.exceptions.DnetException;
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public class EmailFactory {
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private String smtpHost = "localhost";
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private int smtpPort = 587;
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private String smtpUser = null;
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private String smtpPassword = "";
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public EmailMessage prepareEmail(final String subject,
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final String content,
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final String fromMail,
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final String fromName,
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final String to,
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final String... ccs) throws DnetException {
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final Session session = Session.getInstance(obtainProperties(), obtainAuthenticator());
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try {
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return new EmailMessage(session, subject, content, fromMail, fromName, to, ccs);
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} catch (final Exception e) {
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throw new DnetException("Error preparing mail message", e);
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}
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}
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private Properties obtainProperties() {
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final Properties p = new Properties();
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p.put("mail.transport.protocol", "smtp");
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p.put("mail.smtp.host", getSmtpHost());
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p.put("mail.smtp.port", getSmtpPort());
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p.put("mail.smtp.auth", Boolean.toString(StringUtils.isNotBlank(getSmtpUser())));
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return p;
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}
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private Authenticator obtainAuthenticator() {
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if (StringUtils.isBlank(getSmtpUser())) { return null; }
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return new Authenticator() {
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private final PasswordAuthentication authentication =
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new PasswordAuthentication(getSmtpUser(), getSmtpPassword());
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@Override
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protected PasswordAuthentication getPasswordAuthentication() {
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return authentication;
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}
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};
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}
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public String getSmtpHost() {
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return smtpHost;
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}
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public void setSmtpHost(final String smtpHost) {
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this.smtpHost = smtpHost;
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}
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public int getSmtpPort() {
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return smtpPort;
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}
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public void setSmtpPort(final int smtpPort) {
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this.smtpPort = smtpPort;
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}
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public String getSmtpUser() {
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return smtpUser;
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}
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public void setSmtpUser(final String smtpUser) {
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this.smtpUser = smtpUser;
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}
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public String getSmtpPassword() {
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return smtpPassword;
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}
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public void setSmtpPassword(final String smtpPassword) {
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this.smtpPassword = smtpPassword;
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}
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}
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@ -0,0 +1,56 @@
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package eu.dnetlib.common.utils.mail;
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import java.io.UnsupportedEncodingException;
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import java.util.Arrays;
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import java.util.Date;
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import javax.mail.Message;
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import javax.mail.MessagingException;
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import javax.mail.Session;
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import javax.mail.Transport;
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import javax.mail.internet.AddressException;
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import javax.mail.internet.InternetAddress;
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import javax.mail.internet.MimeMessage;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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public class EmailMessage {
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private static final Log log = LogFactory.getLog(EmailMessage.class);
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private final MimeMessage mimeMessage;
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protected EmailMessage(final Session session, final String subject, final String content, final String fromMail, final String fromName, final String to,
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final String... ccs)
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throws MessagingException, UnsupportedEncodingException, AddressException {
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this.mimeMessage = new MimeMessage(session);
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this.mimeMessage.setFrom(new InternetAddress(fromMail, fromName));
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this.mimeMessage.setSubject(subject);
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this.mimeMessage.setContent(content, "text/html; charset=utf-8");
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this.mimeMessage.setSentDate(new Date());
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this.mimeMessage.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
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for (final String cc : ccs) {
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this.mimeMessage.addRecipient(Message.RecipientType.CC, new InternetAddress(cc));
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}
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}
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public void sendMailAsync() {
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final Thread t = new Thread(() -> sendMail());
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t.start();
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}
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public void sendMail() {
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try {
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log.info("Sending mail to " + Arrays.toString(mimeMessage.getAllRecipients()) + "...");
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Transport.send(this.mimeMessage);
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log.info("...sent");
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} catch (final MessagingException e) {
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log.error("Error sending mail", e);
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}
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}
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}
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